type Color = [number, number, number, number];
export type Position = number[];
export interface IBuffer {
    /**
     * gl.bufferSubData
     */
    subData(options: {
        data: number[] | number[][] | Uint8Array | Uint16Array | Uint32Array;
        offset: number;
    }): void;
    /**
     * gl.deleteBuffer
     */
    destroy(): void;
}
export interface IAttributeInitializationOptions {
    buffer: IBuffer;
    /**
     * vertexAttribPointer 单位为 byte，默认值均为 0
     */
    offset?: number;
    stride?: number;
    /**
     * 每个顶点数据块大小，取值范围为 [1..4]
     */
    size?: number;
    /**
     * 是否需要归一化 [-1,1] 或者 [0,1]，默认值 false
     */
    normalized?: boolean;
    /**
     * gl.vertexAttribDivisorANGLE，自动开启 ANGLE_instanced_arrays 扩展
     */
    divisor?: number;
}
export interface IBufferInitializationOptions {
    data: number[] | number[][] | Uint8Array | Uint16Array | Uint32Array | Float32Array;
    /**
     * gl.DRAW_STATIC | gl.DYNAMIC_DRAW | gl.STREAM_DRAW
     */
    usage?: 35044 | 35048 | 35040;
    /**
     * gl.Float | gl.UNSIGNED_BYTE | ...
     */
    type?: 5126 | 5121;
    length?: number;
}
export interface IVertexAttributeDescriptor extends Omit<IAttributeInitializationOptions, 'buffer'> {
    /**
     * attribute name in vertex shader
     */
    name: string;
    /**
     * 创建 buffer 的参数
     */
    buffer: IBufferInitializationOptions;
    update?: (feature: IEncodeFeature, featureIdx: number, vertex: number[], attributeIdx: number, normal: number[], vertexIndex?: number) => number[];
}
export interface IEncodeFeature {
    color?: Color;
    size?: number | number[];
    shape?: string | number;
    pattern?: string;
    id?: number;
    coordinates: Position | Position[] | Position[][];
    [key: string]: any;
}
export {};